牙醫學(一)（包括口腔解剖學、牙體形態學、口腔組織與胚胎學、生物化學等科目及其臨床相關知識）題庫下載題庫

Hyaluronic acid ( 玻尿酸 ) is a polymer of disaccharides, which are composed of
D-glucuronic acid and N-acetyl-D-glucosamine,
linked via alternating β-(1→4) and β-(1→3) glycosidic bonds.
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